CN207996227U - A kind of novel needle-shaped knife for cystic duct cannula - Google Patents
A kind of novel needle-shaped knife for cystic duct cannula Download PDFInfo
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- CN207996227U CN207996227U CN201720775302.5U CN201720775302U CN207996227U CN 207996227 U CN207996227 U CN 207996227U CN 201720775302 U CN201720775302 U CN 201720775302U CN 207996227 U CN207996227 U CN 207996227U
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- sap cavity
- guidewire lumen
- knife
- entrance
- knife silk
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Abstract
The utility model discloses a kind of novel needle-shaped knives for cystic duct cannula, including push rod, handle, electrode plug, multi-lumen tube, the handle is set in the push rod, the electrode plug is connected to the lower section of handle, guidewire lumen entrance is equipped with outside the proximal end of the multi-lumen tube, clean sap cavity entrance and radiography sap cavity entrance, multi-lumen tube is internally provided with guidewire lumen, seal wire is equipped in the guidewire lumen, the proximal end of guidewire lumen is connected with the guidewire lumen entrance, the top of guidewire lumen is equipped with knife silk chamber, the knife silk intracavitary is equipped with knife silk, the proximal end of the knife silk is fixedly connected with push rod, knife silk is touched with electrode plug, knife silk chamber is respectively arranged on the left side and the right side radiography sap cavity and cleaning sap cavity with guidewire lumen intersection, in a word, the utility model is simple in structure, it is easy to use, successful intubation is high, it is low to damage small and complication rate.
Description
Technical field
The utility model is related to the field of medical instrument technology, and in particular to a kind of novel needle-shaped knife for cystic duct cannula.
Background technology
It is successfully the movable precondition of ERCP diagnosis and treatment that selection, which is intubated, to difficult intubation person needle-shaped knife row duodenum breast
Head pre-slit or " windowing " art significantly improve the success rate (99.8%) of intubation.Seal wire is the base of diagnosing and treating ERCP
Plinth is for realizing and maintaining the tool for entering pancreatic duct state and the other attachmentes of implantation replacement.In difficulty intubation more
Highlight its important function, certain cases are expert at pre-slit or " windowing " is intubated still difficult afterwards, just need the super choosing of seal wire at this time.It leads
Silk, which is inserted into Sphincterotomy knife row biliary canulization, can reduce the risk HJ of ERCP postoperative pancreatitis.But previous needle-shaped knife mistake
Not seal wire, limits subsequent operation.
Common needle-shaped knife needs exploration slotting to seeing after bile duct sign when case row pre-slit or " windowing " of difficult intubation
It manages and is not easy to be further continued for cutting, probability of otherwise perforating increases.There are two types of processing modes often for this:One is withdraws after knife silk with needle-shaped
Knife is soundd out in cutting section and is intubated, successful then inject contrast agent fluoroscopic observation, this mode damage it is larger, it is easy during detecting
The complication such as complicated perforation bleeding, and incorrect note people's contrast agent will increase the incidence of pancreatitis;Two be to exit needle-shaped knife
Use arch knife or angiography catheter selection intubation equipped with seal wire instead, this measure exchanges that attachment wastes time and excessive use is disposable
Attachment increases patient economy burden.Meanwhile the case of certain difficult intubations, successful chance is just so primary, in addition cutting
The change dissected afterwards, the visual field is unclear, " entering channel " and indwelling seal wire must be realized to ensure to operate in the moment that position appears
It can continue.Many times, it exchanges attachment and then misses best intubation opportunity, it is just very difficult to find bile duct opening again.Moreover,
Knife silk is retracted when common needle-shaped knife electric coagulation hemostasis could inject liquid wash exposure blutpunkte, but it is accurate to stretch out knife silk again
The visual field is again fuzzy by the oozing of blood of surrounding when standby coagulation hemorrhagic focus, and blindly excessive coagulation will increase complication (such as postoperative generation
Ulcer, which is formed, at excessive coagulation causes tardy bleeding), or even duodenum perforation occurs etc..
Utility model content
For the above technical problem, the utility model provides a kind of novel needle-shaped knife for cystic duct cannula, has and increases
Successful intubation improves curative effect, reduces the advantages that damaging and reducing complication.
The technical solution of the utility model is:A kind of novel needle-shaped knife for cystic duct cannula, including push rod, handle,
Electrode plug, multi-lumen tube, the handle are set in the push rod, and the electrode plug is connected to the lower section of handle, described
Guidewire lumen entrance, cleaning sap cavity entrance and radiography sap cavity entrance, being internally provided with for multi-lumen tube is equipped with outside the proximal end of multi-lumen tube to lead
Silk chamber, the guidewire lumen is interior to be equipped with seal wire, and the proximal end of guidewire lumen is connected with the guidewire lumen entrance, and the top of guidewire lumen is equipped with knife
Silk chamber, the knife silk intracavitary are equipped with knife silk, and the proximal end of the knife silk is fixedly connected with push rod, and knife silk is touched with electrode plug,
Knife silk chamber is respectively arranged on the left side and the right side radiography sap cavity and cleaning sap cavity, the radiography sap cavity and cleaning solution with guidewire lumen intersection
The proximal end of chamber is connected with the cleaning sap cavity entrance and radiography sap cavity entrance respectively.
Further, it is additionally provided with side opening on the side wall of the cleaning sap cavity, fast and easy is rinsed, and wherein cleaning solution can be selected
The noradrenaline solution of physiological saline or %.
Further, the distal head of the multi-lumen tube is reducing the damage to tissue in polishing arc-shaped.
Further, the distal end of the multi-lumen tube is equipped with developing mark, and developing mark makes knife silk under optics and X-ray
It is lower as it can be seen that during surgery doctor can accurate judgement knife silk position, prevent from accidentally cutting or crossing cutting.
Further, the seal wire and knife silk retractable, and the distal outer of the extended multi-lumen tube, can cut
Open moment seize a favorable opportunity release seal wire realize successful intubation, avoid excessive use disposable attachment, that is, improve treatment
Effect decreases medical expense.
Further, the seal wire uses zebra guide wire, zebra guide wire to have the guiding head end of superslide and elasticity easily song, by
In curling seal wire with rigidity and flexibility, the raising of chamber performance is sought, compared with common needle-shaped knife direct cannulation, in reduction pair
Be conducive to again while tissue damage by distorting serious stenosis of bile duct.
Further, the front of the push rod is equipped with visual slot, convenient for checking the advance and retreat situation of knife silk.
The working method of the utility model is:Before the procedure, seal wire is first inserted into guidewire lumen from guidewire lumen entrance so that
Seal wire is close to guidewire lumen distal end but not expose, and after needle-shaped knife is cut successfully using knife silk, is inserted into seal wire and under fluoroscopy root
According to seal wire move towards to judge intubation whether succeed, it is successful then by radiography sap cavity entrance to radiography sap cavity inject contrast solution develop;
When meeting selective cystic duct cannula Patients with Difficult after incision, can by pull back push rod withdraw knife silk and promote seal wire after
It is continuous to be intubated, injection contrast agent development after success, for incisxal edge oozing of blood person in art by cleaning sap cavity entrance to cleaning sap cavity
Saline injection or 8% noradrenaline solution are rinsed, while utilizing needle-shaped knife electric coagulation hemostasis.
Compared with prior art, the beneficial effects of the utility model are:The novel needle-shaped knife of the utility model is especially suitable
In difficult intubation patient, it can seize a favorable opportunity in incision moment and release seal wire realization successful intubation, avoid excessive use
Disposable attachment improves curative effect and decreases medical expense.Wherein, using with the easily bent zebra guide wire of superslide and elasticity
Super choosing is carried out, compared with common needle-shaped knife direct cannulation, is conducive to again while reducing to tissue damage serious by distorting
Stenosis of bile duct.Meanwhile the utility model is in electric coagulation hemostasis, can on one side lasting injection liquid wash to keep the visual field clear
It is clear, retain knife silk on one side and exposes the lower electric coagulation hemostasis of end direct-view, therefore its haemostatic effect is better than common needle-shaped knife, complication is reduced.
In short, the utility model is simple in structure, easy to use, successful intubation is high, damage is small and complication rate is low.
Description of the drawings
Fig. 1 is the overall structure diagram of the utility model;
Fig. 2 is the A-A sectional views of the utility model Fig. 1;
Fig. 3 is the B-B sectional views of the utility model Fig. 2.
Wherein, 1- push rod, 2- handles, 3- electrode plugs, 4- multi-lumen tubes, 5- guidewire lumens entrance, 6- cleanings sap cavity entrance,
7- radiography sap cavities entrance, 8- guidewire lumens, 9- seal wires, 10- knife silks chamber, 11- knives silk, 12- cleanings sap cavity, 13- radiographies sap cavity, 14-
Side opening, 15- developing marks, the visual slots of 16-.
Specific implementation mode
For ease of the understanding to the utility model embodiment, 1-3 is further explained explanation below in conjunction with the accompanying drawings, implements
Example does not constitute the restriction to the utility model embodiment.
As shown in Figs. 1-2, a kind of novel needle-shaped knife for cystic duct cannula, including push rod 1, handle 2, electrode plug 3,
Multi-lumen tube 4, handle 2 are set in push rod 1, wherein the front of push rod 1 is equipped with visual slot 16, convenient for checking knife silk
Advance and retreat situation.Electrode plug 3 is connected to the lower section of handle 2, and guidewire lumen entrance 5, cleaning sap cavity are equipped with outside the proximal end of multi-lumen tube 4
Entrance 6 and radiography sap cavity entrance 7, wherein the distal head of multi-lumen tube 4 is reducing the damage to tissue, multi-cavity in polishing arc-shaped
The distal end of pipe 4 is equipped with developing mark 15, developing mark make knife silk under optics and X-ray under as it can be seen that doctor during surgery
The position of energy accurate judgement knife silk prevents from accidentally cutting or crossing cutting.Multi-lumen tube 4 is internally provided with guidewire lumen 8, is equipped with and leads in guidewire lumen 8
Silk 9, wherein seal wire 9 uses zebra guide wire, the guiding head end that zebra guide wire has superslide and elasticity easily bent, due to crimping seal wire
With rigidity and flexibility, the raising of chamber performance is sought, compared with common needle-shaped knife direct cannulation, is being reduced to tissue damage
Be conducive to again simultaneously by distorting serious stenosis of bile duct.The proximal end of guidewire lumen 8 is connected with guidewire lumen entrance 5, guidewire lumen 8 it is upper
Side is equipped with knife silk chamber 10, is equipped with knife silk 11 in knife silk chamber 10, wherein 11 retractable of seal wire 9 and knife silk, and extended multi-cavity
The distal outer of pipe 4 can seize a favorable opportunity in incision moment and release seal wire realization successful intubation, avoid excessive use one
Secondary property attachment, that is, improve curative effect and decrease medical expense.The proximal end of knife silk 11 is fixedly connected with push rod 1, knife silk 11 with
Electrode plug 3 touches, and knife silk chamber 10 is respectively arranged on the left side and the right side radiography sap cavity 13 and cleaning sap cavity with 8 intersection of guidewire lumen
12, as shown in figure 3, being additionally provided with side opening 14 on the side wall of cleaning sap cavity 12, fast and easy is rinsed, and wherein physiology can be selected in cleaning solution
Brine or 8% noradrenaline solution.Radiography sap cavity 13 and the proximal end for cleaning sap cavity 12 sap cavity entrance 6 and are made with cleaning respectively
Shadow sap cavity entrance 7 is connected.
The working method of the present embodiment is:Before the procedure, seal wire 9 is first inserted into guidewire lumen 8 from guidewire lumen entrance 5, made
Seal wire 9 is obtained close to guidewire lumen distal end but not exposed, after needle-shaped knife is cut successfully using knife silk 11, is inserted into seal wire 9 and saturating
Depending on it is lower according to seal wire 9 move towards to judge intubation whether succeed, it is successful then by radiography sap cavity entrance 7 to radiography sap cavity 13 inject make
Shadow liquid develops;When meeting selective cystic duct cannula Patients with Difficult after incision, knife silk 11 can be withdrawn by pulling back push rod 1
And seal wire 9 is promoted to continue to be intubated, injection contrast agent development after success enters incisxal edge oozing of blood person in art by cleaning sap cavity
Mouth 6 is rinsed to the noradrenaline solution of cleaning 12 saline injection of sap cavity or 8%, while being stopped using needle-shaped knife coagulation
Blood.
Finally it should be noted that:Above example is only to illustrate the technical solution of the utility model, rather than its limitations;
Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that:
It can still modify to the technical solution recorded in previous embodiment, or be equal to which part technical characteristic
It replaces;And these modifications or replacements, the utility model embodiment technical solution that it does not separate the essence of the corresponding technical solution
Spirit and scope.
Claims (1)
1. a kind of novel needle-shaped knife for cystic duct cannula, which is characterized in that including push rod (1), handle (2), electrode plug
(3), multi-lumen tube (4), the handle (2) are set in the push rod (1), and the electrode plug (3) is connected to handle (2)
The proximal end outside of lower section, the multi-lumen tube (4) is equipped with guidewire lumen entrance (5), cleaning sap cavity entrance (6) and radiography sap cavity entrance
(7), multi-lumen tube (4) is internally provided with guidewire lumen (8), is equipped with seal wire (9) in the guidewire lumen (8), the proximal end of guidewire lumen (8) with
The guidewire lumen entrance (5) is connected, and the top of guidewire lumen (8) is equipped with knife silk chamber (10), and knife silk is equipped in the knife silk chamber (10)
(11), the proximal end of the knife silk (11) is fixedly connected with push rod (1), and knife silk (11) is touched with electrode plug (3), knife silk chamber
(10) with guidewire lumen (8) intersection be respectively arranged on the left side and the right side radiography sap cavity (13) and clean sap cavity (12), the contrast solution
The proximal end of chamber (13) and cleaning sap cavity (12) is connected with the cleaning sap cavity entrance (6) and radiography sap cavity entrance (7) respectively;It is described
It is additionally provided with side opening (14) on the side wall of cleaning sap cavity (12);The distal head of the multi-lumen tube (4) is in polishing arc-shaped;The multi-cavity
The distal end for managing (4) is equipped with developing mark (15);The seal wire (9) and knife silk (11) retractable, and the extended multi-cavity
Manage the distal outer of (4);The seal wire (9) uses zebra guide wire;The front of the push rod (1) is equipped with visual slot (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720775302.5U CN207996227U (en) | 2017-06-29 | 2017-06-29 | A kind of novel needle-shaped knife for cystic duct cannula |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720775302.5U CN207996227U (en) | 2017-06-29 | 2017-06-29 | A kind of novel needle-shaped knife for cystic duct cannula |
Publications (1)
| Publication Number | Publication Date |
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| CN207996227U true CN207996227U (en) | 2018-10-23 |
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| CN201720775302.5U Active CN207996227U (en) | 2017-06-29 | 2017-06-29 | A kind of novel needle-shaped knife for cystic duct cannula |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023005394A1 (en) * | 2021-07-28 | 2023-02-02 | 杭州安杰思医学科技股份有限公司 | Incision apparatus for endoscope |
-
2017
- 2017-06-29 CN CN201720775302.5U patent/CN207996227U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023005394A1 (en) * | 2021-07-28 | 2023-02-02 | 杭州安杰思医学科技股份有限公司 | Incision apparatus for endoscope |
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